Title 90D3 / 90E3
Learning Control Operator’s Manual
A - 63639E – 108
01 ’05.04.20 N.Sonoda Newly designed Sheet 037
Edit Date Design Description / 064
7.1.2 Processing flow
Select Grinding program
Command data period,
Memory clear bit
High speed cycle cutting
executes, and finishes
Clear out the learning
buffer according to
Do you grind
next cam ?
Do you grind next
cam shaft ?
memory clear bit ?
♦ When Total profile number is changed
or Compensation data mode is invalid,
all learning memory is cleared.
Set 0 for the Repetition count and Command
data period of Learning steps you don’t use.
♦ According to detail,
refer to 3.3 Cam
How much time is necessary to clear all Learning memory?
• 90D3 ------ 2.3 seconds (Regardless of HRV3, HRV4)
• 90B3, 90B7 ------ 2.0 seconds
Clear time is 9.0 sec. at HRV3, 18.0 sec. at HRV4.
If G05 is executed before finishing memory clear, illegal servo
parameter setting alarm occurs. In order to avoid the alarm, please
confirm the following signal before starting G05.
F322 : getting 1 during memory clear
Clear out all
Change Total profile number
Compensation mode invalid
Grinding condition change
Set Total profile number
according to camshaft
♦ After clear, profile clear bit
(No.2226#6) is reset automatically.
Don’t set profile clear bit in G10.
How to clear out the learning
Set profile number
Set profile clear bit
Clear out for specified profile